Home / 240,678.38-361,072.94-80,775.53

Finding the Fourth Proportional to 240,678.38, 361,072.94 and 80,775.53

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Solution

The fourth proportional to 240,678.38, 361,072.94 and 80,775.53 is: 121,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,678.38 : 361,072.94 = 80,775.53 : x
  2. Step 2: Convert to fraction form
    240,678.38/361,072.94 = 80,775.53/x
  3. Step 3: Cross multiply
    240,678.38x = 361,072.94 × 80,775.53
  4. Step 4: Simplify right side
    240,678.38x = 29,165,858,097.16
  5. Step 5: Solve for x
    x = 29,165,858,097.16/240,678.38
  6. Step 6: Final answer
    x = 121,181.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.